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DUCT TYPE SPLIT AIR CONDITIONER SERVICE MANUAL

1. POWER Indoor Unit L1 4L1 0 12 L3 AL 3 N E N Outdoor Unit L lt lt AC N fH COMM A B PE E W14RD WI w3 AC L RD BK BU 3 5 Contact ontactor N ACC EI CN7 Overload is Protection wi3WH LCD 2 M e PCB FR MANUAL PANEL LES 15 06 a Fan_fault 1606 TC wal v5 V6 12V RD BK BU U v W T E1 JN9 d KM1 T_ROOM CNI KK x ma 1 FR RTI
2. XT d L Indoor unit L1 e 411 da lt X10 dip AC LDD COMMUNICATION CORD lt lt yg NM L3 4L3 ND 00 5 28 utdoor v unit N Ji j se E CN10 Ope ER W og W13 V APO CNL 14 QAATER D MANUAL E AC Q x KM1 4 v20 A A2 19 ATTENTION 2 6 1 ME y y Neo Foce to the fon motor shoft Thernic Wi7 FAND connect V U W for the fan Rel 1 3 5 VIS motor s anti colckwise rotation otherwise connect U V V for its clockwise rotation FR le 4 e If the fan motor reverse please Transformer adjust the 2 of the 3 phase W6 OCHS according to the fact so that the BK BU D CTR IND fon motor will in the right veer U 1 W L O TC DISPUSE DIRGRAM ni
3. MAINTENANCE 58 POWER EM IDN 1 ra D Ey 3 1 4 INDOOR 4BN ses ga jBU 5 6 om 0 12RD 4 e TL 6YEGN pd PE 2 10 XT PE CN20 8WH 4 X12 a BUBK BN Transformer CN2 L d 1 CN12 CN1Q K 15K 20K 4 OUTDOOR opp RTI NI wem FAN lt gt lt 8 AP2 N N TOBK MWH o 2 25 Environment Pipe Temp Sensor Sensor CD FGR20 BNa M O PONER Outdoor Unit o Copacitor wie N N PE Tronsforme KR W XT Terminal Board mh Wi4 Wi3 RD Reloy PCB RD Gage W12RD AC L TR IN Protector FA Over Current Protector A t Bi 4 TC Transformer PM R Protecto 1 E T teverse Protector me 1
4. f POWER Indoor Unit L1 L1 Le L3 L3 4 N RD AC L Dutdoor Unit L WH lt AC N kK PP COMM A B v RD BK BU WH ls Jk lt WATER F gt AC 6 Contoctor AP3 CN7 Overload BK i gt LCD Protection WH AP2 CNS K FR 2 u k MANUAL PANEL 95 T oe 06 14 lt Fan_fault DG RD BK BU K UI v v CN9 CUD W gt T KM1 1 v ER oo VI Ch FR DISPOSE DIRGRAM Fon Motor gt l CNe e RT2 T U 24 9 Transformer Environment Pipe ATTENTION Face to the fan motor shaftconnect U V W for the fan notor s clockwise rotation Temp Sensor Temp Sensor otherwise connect V U W for its anti colckwise rotation If the fan motor reverse please adjust the 2 of the 3 phase according to the fact so that the fan motor will in the right veer FGR25 CNa M O a Dutdoor Unit ur RD Be 10 POWER ur Nr a PE WER we wis Or TT saus q Capacitor Indoor Unit wt ve op ro BK BU lus COMM A B k 7 CH 26 TC Transformer WH 2 J Converse want XT Terminal Board Va ge
5. indor FGR BNa M I FG BNa M I Unit 30 40 30 40 Models Outdoor FGR BNa M O FGR BNa M O Unit 30 40 30 40 Power Supply V Ph Hz 380 415 3 50 380 415 3 50 Compressor Type Scroll Scroll Nominal Current 16 93 27 6 16 93 27 6 Compressor L R A n 142 197 142 197 Vibration Isolator Rubber Rubber Protection Device Auto Reset Thermal Overload Auto Reset Thermal Overload Fan Type Drive Inner Groove Copper Tube Inner Groove Copper Tube Fan Speed rpm 660 730 660 730 Fan Blade Material Plastic Plastic 2 Diameter mm 750 750 750 750 Tube Material Inner Groove Copper Tube Inner Groove Copper Tube s Coil Material Aluminum Aluminum 2 No of Rows FPI 2 14 1 2 15 24 1 2 15 Coil Area Sqm 2 23 2 79 2 23 2 79 Sound Pressure Level dB A 67 69 67 69 Height 1190 1772 1772 1950 1190 1772 1772 1950 cam Width mm 974 990 1290 1370 974 990 1290 1370 Depth 556 880 880 980 556 880 880 980 Weight Net Gross kg 216 266 200 230 216 266 200 230 Suction 9 8 9 8 9 8 9 8 Pipe sizes Inch Liquid 1 2 5 8 1 2 5 8 4 2 Operation Range Test condition Indoor side Outdoor side DB C DB C WB C Nominal cooling 27 19 35 24 Nominal heating 20 SS 7 6 Rated cooling 32 23 43 26 Low temp cooling 21 15 18 10 Rated heating 27 24 18 Low temp heating 20 f 8 PRODUCT 8 ege ep m
6. erm N TC Transf Main PCB el R c y rr ransrormer Contactor 5 AP2 Timing PCB bae 1 wis WH Der Current Protector ce 0 on SE lt 4 2 mm PCB e PM Reverse Protector eg vave 9 FA gt a Pie NEED RE P wy lt lt lt 1 p x KM AC Contactor H We Ja LIQUD gt DG W17 WH 2p P gt 4 Valve x CZE ven craut Las Gas Bypass Valve X3 5V X4 HPP 26 La 86 x2 BIER w k ja vid m Teo T3 RD ct Toutroom Tdefrost Ttube 2 KML Ce Da i WH T m an P L M Me High Loy Hoh d 4 Pressure 15K 20K 50K Protector PM Weg Hein s 3 SS Y E YEGN YEGN 64 el of mge D re PE TN PE xe Environment Discharge Gas Temp Sensor Tenp Sensor Temp Sensor DISPOSE DIRGRAM D K K Dl Service Manual E FGR30 BNa M I
7. gt Auto Cooling Dry Fan Heating Enter Cancel A Fan Mode v v 7 3 4 3 Temperature Setting Press or Y button to increase or decrease of setting temperature under on state of the unit If press either of them continuously temperature will be increased or decreased by 1 C every 0 5s In Cooling Dry Fan and Heating mode temperature setting range is 16 C 30 In Auto mode the setting temperature is un adjustable As shown in Fig3 8 23 CONTROL Duct Type Split Air Conditioner Service Manual l Fu VK Fig 3 8 3 4 4 Fan Speed Setting Press Fan button fan speed of indoor unit will change as below As shown in Fig 3 9 r Auto Low Middle High Enter Cancel A Fan Mode e w w vi CM Eu n Timer c 7 Fig 3 9 3 4 5 Swing Control Function Under on state of unit press Function button till the unit enters swing control function and then press Enter cancel button to turn on swing control function During swing function press Function button till the unit enters swing control function and then press Enter cancel button to cancel swing control function Swing control function setting is shown in Fig 3 10 CONTROL 24 Duct Type Split Air Conditioner Service Manual A Fan Mode Enter Ca
8. i l lalana had 15 205 105 155 455 605 Anti cold air When Tambient lt Tset 1 C the unit will run heating mode In this case compressor and outdoor fan run Indoor fan runs at setting speed and under the condition of anti cold air When Tambient Tset 1 C compressor and outdoor fan stop running the 4 way valve is still energized and indoor fan runs under the condition of blowing residual heat When Tset 1 C lt Tambient lt Tset 1 C the unit will keep its previous running state 2 4 Defrosting Defroting mode Satrt defrostig End defrosting LI ON bg Compressor sa asi ss l L 1 l l l I I l 1 Outdoor oN at speed Indoor fan ON OFF i on rf e E 1 Lg Running conditions ON Ld met uxiliary heater bg E OFF Ld l ON l k O ON 4 way valve N i OFF 3 ER 1 l l l 1 L 1 Fg 1 Sep Time 10s Anti cold air 15 105 Defrosting start condition If the unit heats for 44min accumulatively the compressor continuously runs for 4min and 50s and T condensate lt 5 defrosting will start If there is auxiliary heater it will stop firstly and th
9. 7775 OFF Compressor ON l l Outdoor fan OFF I Run low speed EH Indoor fan ERE OFF 2 I 4 valve l 15 1 i xXx 1 LIOS Time Bs When Tambient Tset 2 C the unit run in cooling mode In this case compressor and outdoor fan run Indoor fan runs at low speed When Tambient lt Tset 2 C the unit will stop running in cooling mode In this case compressor and outdoor fan stop running When Tset 2 C lt Tambient lt Tset 2 C unit will be in the state that the compressor runs for 6min and stops for 4min in cycle Indoor fan runs at low speed 13 CONTROL SS Service Manual 2 3 Heating Mode Heating mode Manually OFF rot dg I 1 Compressor EXE i 1 I I DEE I 1 1 Outdoor tan OFF OFF I Run under set Blowing residual heat l Speed Indoor fan 1 POT S m Running condition w 5 l l NNNM Auxiliary heater OFF I I T l l l 1 1 4 way valve OFF 7275 OFF
10. 6 gem ROOM Fan_motor 9 YEGN y7 Environment Temp Temp Sensor Sensor 15K 20K FR XT1 FGR30 BNa M O Dutdoor Unit D o Li 12 ol POWER L3 o L3 N oN PE 96 Indoor Unit Um XTe e RI wifwelwa 5 COM INNER RD BU W20 a CUM UUD TC Transformer VE Fu Protector 3 nce hare er A bot dat toe TRING XT Terninal Board AC T T wit ir j n A bop 22 Tronsforner 1 Main PCB Contactor Je vi T FA Over Current Protector 8 v9 TR OUT LILeL3N pa Reverse Protector Apa AGL Filter PCR XLV wi We PE XLN gt AC lt lt w8 A KM Contoctor FA 5 LEL2 L3N su 1509 xTe 2 ae Xre WS W36W37W38W39 LILeL3 N pon wave 8 He E n xucte vy F lt gt vs DE gell au BW RD BK BU APS lt W26 WH WH AP APO TROUT TRIN ep P S E23 E23 FA dk Ci t Fa Hl 706 C t 20K 50 Protector Hon VG ol o Smich Switch 9 94 94 Environment Pipe Dischorge Gas DISPOSE DIRGRAM e Temp Sensor Temp Sensor Temp Sensor YEGN HE Fan Motor 9 wer MAINTENANCE 60 FGR40 BNa M I Duct Type Split Air Conditioner Service Manual
11. Indoor fan ON V set 1 1 1 T I ep Time 360s 40800 7 When Tambient Tset 1 C the unit will run in cooling mode In this case compressor and outdoor fan run Indoor fan runs at setting speed When Tambient lt Tset 1 C the unit will stop running in cooling mode In this case compressor and outdoor fan stop running Indoor fan runs at setting speed When Tset 1 C lt Tambient lt 1 C unit will keep its previous running state 2 7 Dry mode Normally on mode during dry operation Control object 4 I l l l l x l ON Compressor ON l Outdoor fan l Vset l ON Indoor fan Kee High speed f I x ime 7 1805 5s Start for 6min and stop for 4min during dry operation Control object i ME C E Compressor LON i A rums DT 1 1 OFF i i S i MEM 1 l Outdoor fan ON ON 2 7 1 or l Indoor fan _ l 1 N 5s A Time 10s 5 1081 ps Cu Ft Ps 360s 240s 360s 2405 7 CONTROL 16 ege eet m Service Manual Room temperature is set to be 16 30 and 24 C is default When Tambient Tset 2 C the unit will run in cooling mode In this case compressor and outdoor fan run Indoor f
12. sl ol ol E 2 9 6 5 5 6 S 015 S e 8 EID ol S z en es 72 MAINTENANCE Duct Type Split Air Conditioner Service Manual 5 Isolation Plate 01245248 1 6 Inhalation Tube Sub Assy 04675410 1 7 4 way Valve Sub Assy 04145324 1 8 electromagnetism loop 430004008 1 9 Chassis Sub assy 01195239P 1 10 Valve Support 01715001 1 11 Gas liquid Separator 07228767 1 12 Gas liquid Separator 02264107 1 13 Back Side Plate Sub Assy 01314207P 1 14 Handle 26235253 2 15 Top Cover 01258730 1 16 Electric Box Cover 01264157 1 17 Electric Box 01395676 1 18 Motor support Plate 01804174 1 19 Protection Grill 01574101 1 20 sponge 12204705 1 21 temp sensor 20K 390001923 1 22 temp sensor 15K 390002063 1 23 Condenser Sub Assy 01125354 1 24 fixation Plate 01845227 1 25 Motor LW92E 15705701 2 26 Axial Flow Fan 10338701 2 27 Streamlined Dome 2 26904120 2 28 Grill 26904119 2 29 Left Side Plate 01314163P 1 30 Front Plate 01514101P 1 31 Front Side Plate 01314205P 1 32 temp sensor 50K 3900012129 1 33 Discharge Tube Sub Assy 1 04635732 1 34 Discharge Tube Sub Assy 04635409 1 35 Over Current Protector UO 10 16A 16A 46020103 1 36 Plastic nip 71011021 4 37 Main PCB 254010 30224211 1 38 Transformer SC28B2 43110171 1 39 Original PCB Mounting Plate Sub Assy 0184
13. MAINTENANCE 50 MAINTENANCE 1 TROUBLE TABLE Trouble Code Trouble Name Origin of Trouble Signal Control Description E1 Compressor High Pressure Protection High Pressure Switch When high pressure protection has been detected in continuously 3 seconds shut off all loadings and shield all buttons and remote control signals LED blinks and displays E1 The unit cannot recover automatically Turn off the unit by pressing ON OFF clearing E1 and turning off the LED E3 Compressor low pressure protection Low pressure switch After 3min running of compressor detect signal from low pressure switch If detect that low pressure switch is cut off in continuously 30s the complete unit will stop and display E3 while LED blinks 3min later if the error has cleared the complete unit resume running If the low pressure switch protection has been detected for 3 times during 30min the LED will blinks and displays E3 The unit cannot recover automatically which requires pressing ON OFF and then clear error code and turn off LED E4 Compressor discharge temp protection Compressor discharge temp sensor After the running of compressor if detect that discharge temp is higher that 130 C in continuously 30s it is believed that there is high temp protection of discharge pipes of compressor Turn off compressor external fan and inner fan LED blinks and displays corresponding error code
14. 10 0720 R410A FG25 CNa M 24 5 6 86 E E FGR30 BNa M O CF010W0521 amp FGR30 BNa M FGR30 BNa M O CF010W0522 30 8 4 33 9 24 R410A J FGR30 BNa M I CF010N0521 FG30 BNa M 30 8 4 FGR40 BNa M O CF015W1020 3 FGR40 BNa M 39 5 11 06 42 11 76 e FGR40 BNa M I CF015N1020 R410A FG40 BNa M 39 5 11 06 j ol k Note 1Ton 12000Btu h 3 517kW PRODUCT 2 2 NOMENCLATURE Duct Type Split Air Conditioner Service Manual 1 2 3 4 5 6 10 11 Description Options 1 FG Air duct air supply Cooling only type Default 2 Unit type Heat pump auxiliary electric heat type R Auxiliary hot water plate and pipe type W 3 Cooling Capacity Nominal cooling capacity kW Common type omitted 4 Static pressure type High static pressure H The outdoor unit is not expressed Default Fixed frequency 5 Frequency conversion system P Frequency conversion Default Routine 6 Control method MM Y Remote monitoring 7 Design No Arranged based on A B C R22 Default R407 N 8 Refrigerant R410a Na Others to be applied for when they are used 9 Production method Default Self control M 380 415V 3Ph 50Hz 10 Power type The unit to be exported must be expressed O Outdoor unit 11 Indoor and outdoor unit code I Indoor unit The entire unit is not expressed 3 PRODUCT EA ere OCC 02020 Service Manua
15. 20 4 way valve 43000413 1 21 4 way valve fittings 4300040043 1 22 pressure protect switch 460200156 1 29 capillary sub assy 04105332 1 24 collecting liquid pipe sub assy 04325563 1 25 discharge tube sub assy 04635380 1 26 pressure protect switch 4602001547 1 27 gas liquid separator 07424141 1 28 cut off valve 07130212 1 29 cut off valve 07130209 1 30 valve support sub assy 01715402 1 31 compressor 00205238 1 32 retaining plate sub assy 01845224P 1 33 inhalation tube sub assy 04675387 1 34 clapboard sub assy 01245238 1 35 motor support sub assy 01805368 1 36 axial flow fan 10338701 2 37 fan motor 15705701 2 38 base plate sub assy 01195235P 1 39 condenser assy 01125336 1 40 motor support 01895233 1 41 front grill 26904119 2 42 front plate 01438707 1 43 reticulation plate 01575203 1 44 condenser support plate 01895232 1 45 wiring 4011014008 1 75 MAINTENANCE Duct Type Split Air Conditioner m Service Manual m 3 Model FGR30 BNa M O Exploded View 20 o 9 18 17 16 SW S 44 45 46 Parts List No Names Material code Qty 1 Chassis Sub assy 01195703P 1 2 4 way Valve Sub Assy 04145336 1 3 Capillary Sub Assy 04105219 1 4 Gas Valve Sub Assy 07305208 1 5 Liquid Valve Sub Assy 07305207 1 6 One way Valve NRV19S 07335210 1 7 Discharge Tu
16. 1 2 Installation Site Ensure the top hanging piece has strong strength to withstand the weight of the unit The drainage pipe has convenient flow of water There is no obstacle blocking the air intake and exhaust outlet so as to ensure sound air circulation The installation spaces required by the drawing must be ensured so as to provide enough space for the service and maintenance The installation site must be far away from heat source leakage of inflammable gas or smoke The indoor unit is of ceiling mount indoor unit is hidden inside the ceiling 1 3 Dimension Data C Ls Outlet RE B o Return D A Unit mm Models A B C D F FG20 BNa M FGR20 BNa M 1463 632 992 1150 192 343 FG25 CNa M FGR25 CNa M 1560 910 332 1194 292 342 FG30 BNa M FGR30 BNa M 1560 910 1194 1194 292 342 Ge ep F B 43 INSTALLATION Service Manual Unit Models A B C D E F FG40 BNa M FGR40 BNa M 1780 1040 868 1450 347 555 1 4 Installation Clearance Data 2 Suspender Air supply f installation of su
17. 7 TIMER button Press the button to set the timing function When the timing function is on press this button to cancel the function When the timing function is off press this button once words Hour on off will appear and flicker In this case press button to adjust time press button continuously to change timing value quickly the setting time range is from 0 5 to 24 hr press this key once again to fix the time then remote controller will send out the signal immediately and hour on off will stop flickering If the time of that no press timer button under flicking status is above 5s the timer setting will quit If the timer has been set press this button once again to quit it 8 TURBO button Set turbo on or off the characters of turbo will appear of disappear by pressing this key under cooling or heating mode Once energized the unit will be defaulted to be turbo off This function can not be set under auto dehumidify or fan mode and characters of turbo won t appear 9 BLOW button Set Blow on or off the characters of Blow will appear of disappear by pressing this key under cooling or dehumidify mode Once energized the unit will be defaulted to be Blow off Set E Heater on or off the characters of E Heater will appear of disappear by pressing this key under heat mode Once energized the unit will be defaulted to be E Heater off Blow and E Heater function can not be set under auto or fan mode and charac
18. E4 After 3min stop of compressor if detect that the discharge temp is lower than 90 C for continuously 5s the compressor will resume running Since the first error detected if detect that there is 3 times of high temp protection for compressor discharge pipes in 30min turn off compressor external fan and inner fan LED blinks and displays corresponding error code 4 The unit cannot recover automatically which requires pressing ON OFF and then clearing error code and turning off LED ER Overloading Protection of Compressor Overcurrent Protector If it is detected that overloading switch is cut off for continuously 3 seconds it is believed that compressor is in the condition of overloading protection Turn off compressor and external fan and the LED blinks and displays the corresponding error code E5 After 3 min stop of compressor if the error has disappeared the compressor will restart From the first error detected if overloading protection of compressor has been detected in 3 times in 30 min turn off all loads except for 4 way valve and shield all buttons and remote control signal except for ON OFF button Then LED will blink and display the corresponding error code E5 and the complete unit cannot be automatically recovered After turning off the unit by press ON OFF button if the error disappears clear the error code and turn off the LED E6 Communication malfunction Terminal COM After energi
19. JL JL I Jt Jt Jt 880 N I Unit mm Model A B C FG R 30 BNa M O 990 787 387 FG R 40 BNa M O 1290 1160 850 2 4 Installation Clearance Data Side with Electrical Box S x t gt 1000 gt 1200 gt 300 gt 300 gt 300 INSTALLATION 46 m Duct Type Split Air Conditioner BH Service Manual 3 REFRIGERATION PIPING WORK 3 1 Refrigeration Piping Work Procedures 1 Align the flared end of the copper pipe with the center of the thread joint Manually tighten the flared end nut 2 Use torque spanner to tighten the flared end nut until the spanner clatters gas liquid valve ome adie valve Fitting Pipe for Indoor unit Flaring Nuts Fitting Pipe inner hexagon spanner Spanner Torque Spanner p 3 2 in Connecting Pipes Note Do not loosen the cap of the pipes when connecting the pipes between the indoor unit and the outdoor unit Connecting the pipes as soon as possible after loosening the cap of the pipes to avoid the entering of water and dust A metal pipe should be utilized if a pipe should be
20. 0 Cooling 15 3 19 2 15 3 19 2 Running Current A Heating 13 2 17 7 Refrigerant R410a R410a Refrigerant Charge kg 5 3 6 7 5 3 6 7 Power Supply V Ph Hz 380 415 3 50 380 415 3 50 Type Centrifugal Belt Drive Centrifugal Belt Drive CFM 2380 2825 2380 2825 Air flow m h 4000 4800 4000 4800 Input Power 1100 1500 1100 1500 Fan Running Current A 2 3 4 2 3 4 in wg 0 8 0 44 0 8 0 44 Rated ESP Pa 200 110 200 110 Fan Motor Protection Overload protection Overload protection Sound Pressure Level 4 H M L SL dB A 56 54 56 5 a Material Inner Groove Copper Tube Inner Groove Copper Tube c Diameter mm 7 7 94 7 7 94 amp Coil y Material Aluminum Aluminum Fin No of Rows 3 16 3 16 3 16 3 16 FPI Coil Area Sqm 0 766 0 63 0 766 0 63 Height 389 400 500 673 389 470 500 673 Dimensions Outline Width mm 1463 1540 1500 1840 1463 1540 1500 1840 Package Depth 799 880 1000 1200 799 880 1000 1200 Weight Net Gross kg 86 109 150 200 86 109 150 200 Wired Control with LED Display Wired Control with LED Display System Operation Wireless Controller Wireless Controller Condensate Drainage O D mm 25 4 25 4 Air Filter Standard Washable and Synthetic Standard Washable and Synthetic To be continued 5 PRODUCT A ere a Service Manual indoor FGR BNa M I FG
21. 01194136 1 19 Electric Box fixity 3 01749058 1 20 Electric Box fixity 2 01749057 1 21 Electric Box fixity 1 01749056 1 22 Electric Box 01394921 1 23 back girder 01875330 1 24 place with a draught of Connection board 1375225 2 25 Fan Motor Sub assy 15705225 1 26 Left Side Plate Sub Assy 1315383 1 27 front girder 01779106 1 28 Electric Fixed Plate 01339099 1 29 Main Board 30224217 1 30 Terminal Board 42011257 1 31 AC Contactor 44010232 1 32 Thermorelay 44020362 1 33 Wired controller 30294219 1 34 Transformer 43110239 1 35 Twin Pair Signal Cable 40010232 1 67 MAINTENANCE Duct Type Split Air Conditioner Service Manual 3 Model FGR30 BNa M I Exploded View 41 68 MAINTENANCE Duct Type Split Air Conditioner Service Manual Parts List No Names Material code Qty 1 Top Cover 01259106 1 2 suspending rack 01729165 1 3 rotate axletree 10549057 1 4 Motor SW1500A 15018303 1 5 Fan Fixed Plate 01845309 1 6 measure staff 02169050 1 7 Hook 02139056 1 8 strap wheel 2 SPA112 10548152 1 9 cone sheath 1610 24 10548211 1 10 Evaporator Assy 01025208 1 11 Right Side Plate 01315319 1 12 overhauling side 01539148 1 13 strap 76318317 2 14 Hook 02205302 4 15 Side girder 01875301 1 16 strap wheel 2 SPA140 10548156 1 17 cone sheath 2012 25 10548218 1 18 Right Side Plate 01309105 1 1
22. 143310 Heating kW 33 42 Power Supply V Ph Hz 380 415 3 50 380 415 3 50 Cooling 11 15 8 11 15 8 Power Consumption kW Heating 9 14 Cooling 20 7 30 20 7 30 Running Current A Heating 18 26 6 Refrigerant Type R410a R410a Refrigerant Charge kg 9 5 10 5 9 5 10 5 Power Supply V Ph Hz 380 415 3 50 380 415 3 50 Type Centrifugal Belt Drive Centrifugal Belt Drive CFM 3230 4120 3230 4120 Air flow 5500 7000 5500 7000 Input Power w 1500 2200 1500 2200 Running Current A 3 7 4 2 3 7 4 2 Fan in wg 0 8 0 6 0 8 0 6 Rated ESP Pa 200 150 200 150 Fan Motor Protection Overload protection Overload protection Sound Pressure Level dB A 57 58 57 58 H M L SL a M Material Inner Groove Copper Tube Inner Groove Copper Tube ube z Diameter 9 52 9 52 9 52 9 52 5 Material Aluminum Aluminum Fin ud ME 416 3 16 4 16 3 16 FPI Coil Area Sqm 0 672 0 86 0 672 0 86 Height 500 673 650 835 500 673 650 835 Dimensions Outline Width mm 1500 1840 1700 1890 1500 1840 1700 1890 Package Depth 1000 1200 1100 1460 1000 1200 1100 1460 Weight Net Gross kg 156 206 215 265 156 206 215 265 Wired Control with LED Display Wired Control with LED Display System Operation Control Wireless Controller Wireless Controller Condensate Drainage O D mm 25 4 25 4 Air Filter Standard Washable and Synthetic Standard Washable and Synthetic To be continued 7 PRODUCT Service Manual
23. BNa M 9 8 5 8 50 30 12 170 FGR40 BNa M 47 INSTALLATION Duct Type Split Air Conditioner Service Manual 4 ELECTRIC WIRING WORK 4 1 Wiring Principle All of the supplied components material and electric operation should be accorded with the local principles 8 The power supply should adopt the rated voltage and special circuit for the ducted air conditioning unit About the electric working please refer to the circuit diagram adhering to the unit All the connection of the circuit should be carried out by the qualified electrician circuit breaker that can cut all the power supply of the system should be installed Wiring diagram of the ducted air conditioning unit is shown in Fig 32 The units should be well earthing to the ground by professionals Install a central switch which can cut all the power switch and air switch of the system The air switch should have hot and magnetic auto turn off function to protect the system from overloading or short power Please accord to electrical diagram on the unit when connecting the wires Open indoor electric box and outdoor electric box respectively and put the wires cross the electric boxes Please choose the specification of the power cables according to the power capacity and the installation conditions of the unit Fix the wires with wire clamp and assemble the electric cover after confirmation The wiring schematic of the ou
24. E Heater function Press Function button into E Heater function A Fan Enter Cancel Fan Mode Mode w w 2 Press Enter Cancel button to turn on E Heater function Press Function button into function Fig 3 16 Auxiliary Electric Heating Function Setting Note E HEATER can not be set in cooling dry and fan mode E HEATER mark won t be displayed The setting is shown in Fig 3 16 3 4 12 Blow Function Setting BLOW function After the unit is turned off water in evaporator of indoor unit will be automatically evaporated to avoid mildew In cooling and dry mode press Function button till the unit enters BLOW function with BLOW blinking and then press Enter Cancel button to turn on this function In BLOW mode press Function button till the unit enters BLOW function and then press Enter Cancel button to cancel this function BLOW function setting is shown in Fig3 17 31 CONTROL Duct Type Split Air Conditioner Service Manual v Ss 3 Aj 7 7 Turn the unit without Press Function button Press Enter Cancel button turning on blow function into blow function to turn on blow function bed Press Enter Cancel button Function button to turn off blow function into hlow function Fig 3 17 Blow function setting Note a After setting BLOW function turn off the unit by pressing On Of
25. HEALTH SAVE steer 37 CONIROL Service Manual 1 ON OFF button After powering the unit when the unit is off state press the ON OFF button to start the unit AND when the unit is on state press the button it will be off 2 Mode button E Press this button the unit will be run in the mode which you want Press this button once the mode will be changed a regular as AUTO COOL DRY HEAT NAUTO COOL f DRY XKHEAT 3 button Press the or button to set your desired temperature The temperature range is from 16 C to 30 H is not necessary at AUTO mode AND when you are setting the timing hours press the or button once the timing hours will increase or decrease 0 5 hour 4 FAN button Press the FAN button to set fan speed The AUTO FAN LOW MID HIGH could be selected 5 2 button There is no this function for this unit If press this key the main unit will click but it also runs under original status 6 SLEEP button Press this button to set the sleep mode Once the sleep mode is set the temperature will increase 1 C after 1 hour and still increase another 1 C after 2 hours in the COOL mode While in HEAT mode the temperature will decrease 1 C after 1 hour and still decrease another 1 C after 2 hours
26. Memory Function Memory switchover Under off state of the unit press Mode and buttons at the same time for 55 to switch memory modes During setting memory mode Memory will be displayed If this function is not set the unit will be under off state after power failure and then power recovery Memory recovery If memory mode has been set for wired controller the wired controller after power failure will resume its original running state upon power recovery Note It will take about 5 seconds to save all the information therefore please do not cut down the power at this time or it may fails 3 4 15 3 Enquiry of Outdoor Ambient Temperature Under on or off state of the unit press Enter Cancel button for 5s outdoor ambient temperature will be displayed at temperature displaying location after a sound of click This enquiry state will quit by pressing any button there is not any operation for 205 it will automatically quit Note This function will be shielded after energization of 12hr for some models of the units without outdoor ambient sensors Please refer to Instruction for details If malfunction of outdoor ambient sensor occurs this function will be shielded in 12hr 3 4 15 4 Enquiry of Historical Errors Continuously press Function and Y buttons without lock for 5s into enquiry state In this state press Enter Cancel button to quit or it will automatically quit after there is not any operation of button in 30min In enquiry s
27. Plate 01325325 1 23 Front Side Plate 01315373 1 24 temp sensor 15K 3900012123 1 25 temp sensor 20K 3900012121 1 26 Display board Z4E351A 30294219 1 27 Electric Box 01395679 1 28 Main 24 5 30224056 1 29 Original PCB Mounting Plate Sub Assy 01845221 1 30 AC Contactor LC1D12M7C 44010232 1 31 Terminal Board 5 unit 42010194 1 32 Isolation Washer 70410503 2 33 Wire Clamp 71010102 1 34 Wire Clamp 02141009 1 35 Terminal Board 2 unit 420101851 1 36 Transformer 54 25 43110239 1 65 MAINTENANCE Duct Type Split Air Conditioner m Service Manual m 2 Model 25 1 Exploded View MAINTENANCE 66 Duct Type Split Air Conditioner Service Manual No Names Material code Qty 1 Top Cover Sub Assy 01265352 1 2 SupportSteelBar 01805367 1 3 rotate axletree 10549057 1 4 Fan Motor for indoor unit 1501861102 1 5 Motor Fixed Board 01845223 1 6 Belt Pulley 10548150 1 7 Taper Sleeve 10548213 1 8 Condenser assy and evaporator assy 01025344 1 9 Right Side Plate Sub Assy 1 01315319 1 10 overhauling side 01545322 1 11 Belt SPA 76318341 2 12 Hook 02205302 4 13 Side beam sub assy 01874179 1 14 Belt Pulley 10548156 1 15 Taper Sleeve 10548218 1 16 Right Side Plate 2 01315350 1 17 FrontPanel OutsideMachine 01284142 1 18 MetalBase
28. communication between N n ind and iti 0 Confirm locations of plug indoor unit a nd outdoor unit is and aucet properly connected Yes Check if the two ends of No 5 icatipn lina cover ad Please wind the magnetic communication rings with the unit with magnetic rings Yes Malfunction is eliminated 2 6 Temperature sensor malfunction F2 condenser temperature sensor malfunction F3 outdoor temperature sensor malfunction F4 discharge temperature sensor malfunction Temp sensor malfunction Yes N WER Confirm locations of socket plug mainboard are connected properly Yes Remove the temp sensor and then measure No ES SE sens a Replace temp sensor if its resistance value is in normal range Yes Replace indoor mainboard 55 MAINTENANCE A re U Service Manual E 2 7 Indoor Fan Overloading Protection Indoor fan overloading malfunction Yes ion li i iti No If connection line of indoor unit is gt Correct connection connected properly Yes v No If indoor fan s relay is properly set gt Set correct value Yes v If relay is normal Replace relay Yes v No Increase static pressure of duct Check if static pressure of
29. duct is gt select to clo se the air valve matched with design and models smaller Yes If indoor motor is normal _ Replace indoor motor Y Eliminate malfunction 2 8 F0 Failure of Indoor Room Sensor at Air Intake Failure of Indoor Room Sensor at Air Intake v check if the plug of the temperature sensor is No check the directions of the correctly connected with socket on the main board plug and socket Yes v Remove the sensor to check if the resistance value No is ok gt replace temperature sensor Yes y Replace main board of the indoor unit MAINTENANCE 56 2 9 F1 Failure of Evaporator Temp Sensor Failure of Evaporator Temp Sensor check if the plug of the temperature sensor is correctly connected with socket on the main board Duct Type Split Air Conditioner Service Manual No check the directions of the plug and socket Yes Remove the sensor to check if the resistance value No replace temperature sensor is ok Yes Replace main board of the indoor unit 57 MAINTENANCE Duct Type Split Air Conditioner Service Manual 3 WIRING DIADRAM FGR20 BNa Mu
30. installed through a wall 1 The connection of the pipes should confirm to the following principles 2 Make sure to lessen the length of connecting pipe the height difference between the indoor and outdoor unit and the number of bends and enlarge the diameter of bends The permitted maximum value of each case Height difference between the indoor and outdoor unit lt 30m 90 Number of bends lt 12 Length of connecting pipes lt 50m The pipe meld type could be employed for the connection of the pipes between the indoor and outdoor units The pipe joint should tightly connected when a pipe joint is employed between two pipes It is better to use only one connecting pipe if the distance is not far The pipes should not be shriveled when the pipes are connecting The bend diameter should be longer than 200 millimeter The connecting pipes should not be extended or curved frequently and the curving process should not be larger than 3 times in the same bending position 3 3 Specification of Connection Pipe External Diameter Maximum Length Maximum Difference in Max No of Additional Model Gas Pipe Liquid Pipe Of Connection Pipe Height between Outdoor 90 Charge of Inch Inch m and Indoor Unit m Refrigerant g m FG20 BNa M 3 4 3 8 50 30 12 60 FGR20 BNa M FG25 CNa M 1 3 8 50 30 12 60 FGR25 CNa M FG30 BNa M 9 8 1 2 50 30 12 120 FGR30 BNa M FG40
31. runs for 60min and fresh air valve always runs Turn off air Exchange function During Air function press Function button to go to the Air function In this case air mark is blinking and then press Enter Cancel button to turn off this function Air mark will subsequently CONTROL 26 ege m Service Manual disappear Air Exchange setting is shown as in fig 3 12 Enter Cancel Fan Mode Enter Cancel pose w w w ei Je gt EY une be ovb Turn on the unit without Pr ss Function button Press Y turning AIR Exchange into AIR Exchange button to adjust the type of AIR Exchange Mode w gt wl Wb Press Enter Cancel button Press Function button Press Enter Cancel button to turn off AIR Exchange into AIR Exchange to turn on AIR Exchange Fig 3 12 Air exchange device Note In air exchange mode press Function button or there is not any operation within 5s after the last button operation the system will be quit from air exchange setting and current energy saving data won t be memorized 3 4 8 Sleep Setting Sleep on Press Function button under on state of the unit into sleep function and then press Enter Cancel button to turn on sleeping function Sleep off During sleep on state press Function button to go to the sleep function and then press Enter Cancel button to turn
32. units can be controlled simultaneously by the centralized controller weekly timer The weekly timer has the function of invalidating the lower unit The weekly timing function is able to realized four timing ON OFF periods for any unit every day so as to achieve fully automatic operation No timing control can be set for holidays On and off of every duct type unit can be done through the Timer On Off of this WEEKLY TIMER it can not set other functions except on off function of units 5 2 Operation View 39 CONTROL Service Manual E GROUP 01020904050607 08 ENTER COL 1 SINGLE 09 10 41 12 18 1415 4 M 2 2 4 5 5 2 WED THU FRI SAT SUN MEN ON OFF SEGI SEG2 SEGI SEG4 Y 38 85 38 88 ke1 4 ON AAHH C 5 a DEI 12346567 lt MON TUE WED THU FAI SAT SUN TIME 6 C ON OFF 4 7 NO Name Function description 1 ENTER button when enter is pressed the setting is validate Press and selected the unit or a certain day in one week or specific value Press A can 2 Increasing button Set week part of time Press Y and selected the unit or a certain day in one week or specific value Press Y can set 3 Decreasing button week part of time 4 CANCEL DELETE Button short press cancel delete to back to default page or last process long press can
33. valve and i Don t leave welding slag inside pipes connecting pipe s the pipe site S in SCH illustration of 4 way valve and n Don t leave welding slag inside pipes connecting pipe 5 Remove the 4 valve Remove 4 way valve after it is cooled Install new 4 way valve in reversed order and wrap it with wet cloth before welding 63 MAINTENANCE i ee OMEN NN Service Manual m 5 EXPLODED VIEWS AND PART LIST 5 1 Indoor Unit 1 Model FGR20 BNa M I Exploded View MAINTENANCE 64 Duct Type Split Air Conditioner Service Manual Parts List No Names Material code Qty 1 Bottom Cover Assy 01265357 1 2 Hook 02112466 4 3 Right Side Plate 1 01315378 1 4 airproof Panel 1 01345218 1 5 Water Tray Panel Assy 01285283 1 6 Evaporator Bottom side 01095271 1 7 Evaporator Assy 01025356 1 8 Seal of Connection Pipe Plate 01495241 1 9 Right Side Plate 2 01315370 1 10 Evaporator top side 01095270 1 11 Evaporator Back side 01095272 1 12 Top Cover Assy 01265359 1 13 air filter Panel 02285220 2 14 air filter 11725211 2 15 Left Side Plate 2 01315367 1 16 airproof Panel 2 01345219 1 17 Left Side Plate 1 01315376 1 18 Fan left SYP 250 190J 1 15705306 1 19 Motor FG1200A 15705229 1 20 Fan right SYP 250 190J 1 15705307 1 21 Motor support Plate 01805381 1 22 Fan Fixed
34. 10 Washer 70410309 6 11 Washer 70410312 4 12 Hook 02139056 1 13 Sheet Metal Piece 02169050 1 14 Retaining Plate 01845319 1 15 Fan Motor 15014805 1 16 rotate axletree 10549057 1 17 Water Collecting Tray Sub Assy 01285220P 1 18 Belt SPA 76318309 2 19 Belt Pulley 10548149 1 20 Taper Sleeve 1610 28 10548213 1 21 Belt Pulley 10548155 1 22 Taper Sleeve 10548218 1 23 Sheet Metal Piece 01805212P 1 24 Base Plate Sub Assy 01285222P 1 25 Electric Box Cover Plate 01425304P 1 26 Electric Box Sub Assy 01395346 1 27 Air Outlet Frame 01375210P 2 28 Air Outlet Side Board 01375209P 2 29 Frame Plate Sub Assy 01545213 1 30 Fan Motor Sub assy 15705214 1 31 Side Panel Sub Assy 01545208 1 32 Terminal Board 42011043 1 33 Main Board 30224217 1 34 Transformer 43110239 1 35 Thermal Overload Relay 44020362 1 36 AC contactor 44010232 1 37 Display Board 30294219 1 38 Twin Pair Signal Cable 4011014008 1 71 MAINTENANCE Duct Type Split Air Conditioner Service Manual 5 2 Outdoor Unit 1 Model FGR20 BNa M O Exploded View 15 35 9 36 16 37 17 18 40 39 38 JJ III oe JII 20 48 47 46 45 4 Parts List Qty 5 E 06 zalol ole gt P m z i2 3 SIS a l E
35. 1544102 1 27 Front Panel 01544103P 1 28 Front Lining Board Sub Assy 01264111P 1 29 Support plate 01894101P 1 30 Front vertical prop sub assy 01854103P 1 31 Base Plate Sub Assy 01285279P 1 32 Compressor 00205244 1 33 01805399 1 34 Cut off valve 07138799 1 35 01805359 1 36 Cut off valve 07130128 1 37 0180521501 3 38 Liquid by pass sub assy 04325634 1 39 4 way Valve Sub Assy 04145346 1 40 Electric Expansion Valve Sub Assy 07335265 1 41 Discharge Tube Sub Assy 04635442 1 42 Oil Separator 07423202 1 43 Oil Return Tube Sub Assy 04325746 1 44 Inhalation Tube Sub Assy 04675434 1 45 Gas liquid Separator 07424148 1 46 Electric expand valve fitting 43000110 1 47 4300008302 1 79 MAINTENANCE JF00300277 GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com For continuous improvement in the products Gree reserves the right to modidy the product specification and appearance in this manual without notice and without incurring any obligations
36. 1RD B KM AC Contactor W17 Wa W21WH AP2 C N wow 800 js W24 Fu o H XN xPP a 21 2 4 ovc LEE gt Z 241115 ben Drog lt Las m gt wiw 51 S DA X E D M S F wat W28WH e 2 Lx ct 1 05 et s EN il gt gb na Si J H l MA eb E 17 oy T iB T un H F xl lo 4 Current ial x il i We tek 20K 3 um Ven L iz D ja KM E y 05 0 15 4 4 3 8 ui 2 z w CM af E EE k o Fan Motor Fan Motor E XT Indoor Unit 2 m Service Manual FGR25 CNa M I
37. 3 If concealed installation is adopted 1 metallic pipe can be used Refer to Figure 3 24 No matter if surface mounting or concealed mounting is selected it is required to drill 2 holes in the same level between which the distance shall be the same as the distance 60mm of installation holes in the bottom plate of the wired controller Then insert a wood plug into each hole fix the bottom plate of the wire controller to the way through these two holes plug the control wire onto the control panel and lastly install the panel of the wire controller Refer to Figure 3 3 1 Exposed body exposed code Exposed body exposed code Staple Remote controller Remote controller C 7 Fig 3 23 Fig 3 24 Caution During the installation of the bottom plate of the wired controller pay attention to the direction of the bottom plate The plate s side with two notches must be at the lower position otherwise the panel of the wired controller cannot be correctly installed Caution a The communication distance between the main board and the wired controller can be as far as 20m The standard distance is 8m b The wired controller shall not be installed in a place where there is water drop or large amount of water vapor 4 Wireless Remote Controller Notes This remote control is universal It could be used for many units Some buttons such as are not available in this unit will not be described below FAN
38. 5323 1 40 Main PCB WZ4E35 30224058 1 41 Terminal Board 2 unit 42011103 2 42 Capcaitor CBB61 4uF 500V 33010013 2 43 AC Contactor LC1D25M7C 44010213 1 44 Terminal Board T480C 42011043 1 45 Isolation Washer 70410503 2 46 Wire Clamp 71010102 1 47 Wire Clamp 02141009 1 48 Terminal Board 2 unit 420101851 1 49 Phase Reverse Protector 380V 46020052 1 73 MAINTENANCE Duct Type Split Air Conditioner m Service Manual m 2 Model FGR25 CNa M O Exploded View 19 CU 44 43 45 23 P 24 41 40 39138 136 N35 34 G3 BABIBI 2A2B 2725 Parts List No Names Material code Qty 1 top cover 01258730 1 2 electric box cover 01424002 1 3 AC contactor 44010213 1 4 capacitance 33010013 1 5 over current protector 46020114 1 6 transformer 4311023302 1 7 terminal board 42011043 1 8 main board 30224309 1 9 electric box assy 01395796 1 10 main board 30224211 1 11 phase reverse protector 46020052 1 12 collecting gas pipe sub assy 04675386 1 13 inhalation tube sub assy 04675388 1 14 low pressure switch 460200157 1 15 connection pipe sub assy 05025619 1 16 rear side plate sub assy 01315359 1 17 front side plate 01308730 1 18 rear side plate sub assy 01315358P 1 19 4 way valve sub assy 04145316 1 MAINTENANCE 74 Duct Type Split Air Conditioner Service Manual
39. 9 temp sensor 15K 390001913 1 20 temp sensor 20K 3900020720 1 21 Water Tray 01285309 1 22 Metal Base 01285312 1 23 Display Board 30294219 1 24 Electric Box fixity1 01749056 1 25 Electric Box fixity2 01749057 1 26 Electric Box fixity3 01749058 1 27 cover of the Electric Box 01419141 1 28 Electric Box Sub Assy 01399145 1 29 Terminal Board 42010194 1 30 Overcheater Protector 44020347 1 31 AC Contactor 44010232 1 32 Electric Fixed Plate 01325321 1 33 Transformer 54 25 43110239 1 34 Main PCB Z4E35A 30224056 1 35 back girder 01779108 1 36 place with a draught of Connection board 1 01389077 1 37 place with a draught of Connection board 2 01389079 1 38 Fan SYT10 10L2 15009059 1 39 Right Side Plate 01315312 1 40 front girder 01779106 1 41 Filter Sub Assy 11129070 2 69 MAINTENANCE Duct Type Split Air Conditioner Service Manual 4 Model FGR40 BNa M I Exploded View 70 MAINTENANCE Duct Type Split Air Conditioner Service Manual Parts List No Names Product Code Qty 1 Top Cover Sub Assy 01265209 1 2 Retaining Plate Sub Assy 01845205 1 3 Return Air Frame Sub Assy 01375208P 2 4 Return Air Frame Sub Assy 01875208P 2 5 Evaporator Assy 01025362 1 6 Retaining Plate Sub Assy 01845207 1 7 Side Panel Sub Assy 01545212 1 8 Side Panel Sub Assy 01545210 1 9 Nut 70310116 6
40. Air Conditioner Service Manual 11 CONTROL Se Service Manual 1 2 Heating Operation Power Make unit running at heat mode Satisfying starting comp condition Comp and outdoor fan run Avoid cool wind only when comp starts No Temp of indoor gt Set temp Comp and outdoor fan stop Comp stops for 3 min CONTROL 12 222 m Service Manual 2 MAIN LOGIC The followings for FG R 20 BNa M FG R 30 BNa M 2 1 Cooling Cooling mode i ON Manually OFF l p EC Compressor OFF OFF TM 1 ON _ Outdoor fan OFF OFF AE Runatsetspeed Indoor fan OFF TE 4 way valve OFF ETE po4 1 Ms i t t L 15 i k Time 1158 1 399 When Tambient Tset 1 C the unit will run in cooling mode In this case compressor and outdoor fan run Indoor fan runs at setting speed When Tambient lt Tset 1 C the unit will stop running in cooling mode In this case compressor and outdoor fan stop running Indoor fan runs at setting speed When Tset 1 C lt Tambient Tset 1 C the unit will keep its previous running state 2 2 Dry Mode Dry mode ON Manually OFF l l l
41. DISPOSE DIRGRAM on Motor RT2 v7 CN2 9 Transformer Environment Pipe ATTENTION Face to the fan motor shaft connect U V W for the fan motor s clockwise rotation Temp Sensor Temp Sensor otherwise connect V U W for its anti colckwise rotation If the fan motor reverse please adjust 15K 20K _ the 2 of the 3 phase according to the fact so thot the fan motor will in the right veer FGR40 BNa M O Unit o Lt e Le POWER 7213 N PE W16WH DPE Indoor Unit 7 CNG 20RD TC Transformer lt lt COMP XT Terminal Board Wee FU Protector VWe3RD Ja 1 Transformer b 1 21 WteBk emt APL Main PCB ACAL D p VIS P Contactor 5 A 22RD FA Over Current Protector WG ps A S AC N VALVE men xre e PM Reverse Protector 8 LIQUID XTe e KM AC Contactor API_AC L FA B 9 111213 2 7277 Du CNS kk EKV visi Xig 8 N ACL C High gt ds X7 Loy UVW 8 Ca ue ws C Foult GI stay gt BER API rene KM b Lays WW wl Je ben E AP Teo T3 iy Ce Toutroom Tdefrost Ttube 2 XTe Lx ILANI e F Lu Tyee FA er MIRI Tm wen Fan Motor n NEN EL 1 Pressure Pressure PE Heater zl DA 9 005 015MPo PE High Environment Pi
42. FG R 30 BNa M 4 3 Specification of Power Supply Wire and Air Switch Two core twisted line Power 380 415V 3N 50Hz L1 L2 L3 EU 052 051 gi FU2 Display board Display board 9 ll LIJL2 L3 N S D D DN ps Helin L1 L2 L3 N PE PE Outdoor unit f Outdoor unit Pn CN5 KKL E Main Board Main Boara Four core twisted line Board CN Indoor Unit one kk JCoMMAB COM INNER K da FG R 25 CNa M FG R 40 BNa M Model Power Supply Air Switch A Earthing section mm Permit Min section mm FGR20 BNa M I 380 415V 3N 50Hz 10 1 5 1 5 FGR25 CNa M I 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F 1 5 FGR30 BNa M I 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F 1 5 FGR40 BNa M I 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F 1 5 FG20 BNa M 1 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F 1 5 FG25 CNa M 1 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F 1 5 FG30 BNa M 1 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F 1 5 FG40 BNa M 1 380 415V 3N 50Hz 10 H05VV F 1 5 H05VV F 1 5 FG R 20 BNa M O 380 415V 3N 50Hz 25 H05RN F 4 0 H05RN F 4 0 FG R 25 CNa M 380 415V 3N 50Hz 32 H05RN F 6 0 H05RN F 6 0 FG R 30 BNa M O 380 415V 3N 50Hz 40 H05RN F 10 0 H05RN F 10 0 FG R 40 BNa M 380 415V 3N 50Hz 40 H05RN F 10 0 H05RN F 10 0 49 INSTALLATION Service Manual
43. ING 52 2 1 High Pressure 52 2 2 Low Pressure Protection 1 53 2 3 Discharge Ren 54 2 4 Overcurrent 54 2 5 Communication Malfunction 55 2 6 Temperature sensor MalfUNCHION rientra nne de asa REDE aa 55 2 7 Indoor Fan Overloading Protection eee eene nennen enne 56 2 8 FO Failure of Indoor Room Sensor at Air Intake 56 29 F1 Fallure of Evaporator Temp Serisor edicere tee cad Er a u E agn 57 3 WIRING DIADRAM M 58 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 62 5 EXPLODED VIEWS AND LST 64 64 5 2 Outdoor 72 2 eet m Service Manual PRODUCT 1 PRODUCT Service Manual PRODUCT 1 MODELS LIST Units Capacity kW Ton Appearance Model Name Product Code Ref Series Cooling Heating Outdoor Indoor FGR20 BNa M O CF015W1011 FGR20 BNa M FGR20 BNa M O CF015W1010 20 5 6 22 6 16 e FGR20 BNa M I CF015N1010 LA de FG20 BNa M 20 5 6 FGR25 CNa M O CF010W0720 FGR25 CNa M 24 5 6 86 27 5 7 7 a FGR25 CNa M I
44. Lock at the same time for 5s in to lock state In this case any other buttons won t respond the an press Repress A Y key for 5s to quit lock state 4 Mode and Enquiry and setting of Under the off state of the unit press Mode Function button for 5 seconds to set the 5 Function address of wired controller address Setting Ambient Temperature Under off state of the unit press Function and Timer buttons continuously for 5s to go to x e Sensor and three Grades the debugging menu Press Mode button to adjust the setting items and A Y button to of Speed for Indoor Fan set the actual value 5 Function Continuously press Function and Y buttons for 5s to go to the enquiry state In this and 6 Enquiry of Historical Errors state press Enter Cancel button to quit or it will automatically quit after there is not any operation of button in 30min 3 3 Installation of Wired Controller and Project Debugging 3 3 1 Installation of Wired Controller 3 Fig 3 4 Sketch for Installation of Wired Controller No 1 2 3 4 5 ket F of Description Soe ets DER Soleplate of controller Screw M4X25 ER Screw ST2 2X6 5 installed in the wall controller Fig 3 4 Sketch for Installation of Wired Controller Pay attention to the following items during installation of wired controller 1 Cut off power supply of heavy current wire embedded in mounting hole in the wa
45. O GREE Change for Life Ec A p s LP q gt gt gt DUCT TYPE SPLIT AIR CONDITIONER lt lt SERVICE MANUAL e T1 R410A 50Hz GC201303 1 GREE ELECTRIC APPLIANCES INC OF ZHUHAI CONTENTS PRODUCT WE 2 1 MODELS LIST E 2 2 Le er ET 3 WEE 4 341 Features Odoo unis cce tst asss d v te 4 3 2 e ee e 4 4 PRODUCT DATA EE 5 4 1 Product Data at Rated Condition 5 LE AS vrac 8 5 PIPING ee TE 9 5 1 Cooling Oily EE 9 9 2 EE lun EE 9 ejje M 11 LOPERATION FLOWCHART EE 11 141 Diy Operaatio EEN 11 1 2 Heating Operati aa NO Taa aE aa 12 ATC RE ee 13 Ee EE 13 22 DIY le 13 c g Te amo MOIE 14 2A DOTOSUUING EE 14 2 5 TEE 15 2 6 Cooling MODS EE 15 PATA Bi oo EDT 16 2 8 MOOG 2 X 17 2 9 Heding MOOG iene 17 2 10 HR tee 9 mode eie 18 3 WIRED REMOTE CONTROLLER 19 3 1 DISPLAYING GE 19 Ee EE 20 3 3 Installation of Wired Controller and Project Debugging 21 3 4 Instruction to Operation 22 2 5 ENON ISDA c ET EE 34 3 6 Setting of Indoor Room Sensor and Checking of Outdoor Ambient Temperature 35 4
46. R CNa M I FG CNa M l Unit 20 25 20 25 Models Outdoor FGR BNa M O FGR CNa M O FGR BNa M O FGR CNa M O Unit 20 25 20 25 Power Supply V Ph Hz 380 415 3 50 380 415 3 50 Compressor Type Scroll Scroll Nominal Current 12 87 16 4 12 87 16 4 Compressor L R A n 98 142 98 142 Vibration Isolator Rubber Rubber Protection Device Auto Reset Thermal Overload Auto Reset Thermal Overload Fan Type Drive Inner Groove Copper Tube Inner Groove Copper Tube Fan Speed rpm 850 30 850 850 30 850 id Blade Material Plastic Plastic 2 Diameter mm 524 524 524 524 Tube Material Inner Groove Copper Tube Inner Groove Copper Tube s Coil Material Aluminum Aluminum 2 No of Rows FPI 2 14 1 2 15 2 14 1 2 15 Coil Area Sqm 1 32 1 52 1 32 1 52 Sound Pressure Level dB A 65 66 65 66 Height 1350 1370 1600 1715 1350 1370 1600 1715 cam Width mm 1150 1300 1150 1305 1150 1300 1150 1305 Depth 460 500 360 502 460 500 360 502 Weight Net Gross kg 158 174 200 230 158 174 200 230 Suction 3 4 1 3 4 1 Pipe sizes Inch Liquid 3 8 3 8 3 8 3 8 PRODUCT 6 ege ee sp m Service Manual Indoor FGR BNa M I FG BNa M I Unit 30 40 30 40 Models Outdoor FGR BNa M O FGR BNa M O Unit 30 40 30 40 Btu h 102000 134780 102000 134780 Cooling kW 30 39 5 30 39 5 Nominal Capacity At Rated ESP Btu h 112500
47. Service Manual 5 PIPING DIAGRAM 5 1 Cooling Only Outdoor fan 2 C compressor C Condenser 2 Electronic expansion valve Filter Gas liquid separator Outdoor Unit Indoor fan J C 2 D Indoor Unit 5 2 Heat Pump Outdoor fan compressor 4 way vavel C Condenser D E Electronic expansion valve Filter Gas liquid separator Outdoor Unit Indoor fan 2 C 2 Evaporator 2 Indoor Unit 9 PRODUCT Service Manual CONTROL CONTROL 10 CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Dry Operation Power On Make unit running at cool or dry mode lt Y Indoor fan run Satisfying starting comp condition Comp and outdoor fan run No Temp of indoor lt Set temp Comp and outdoor fan stop Comp stops for 3 min Duct Type Split
48. Wireless Remote Controller nnns 37 5 Centralized Controller week 39 GH lees RE 39 52 lee le TEE 39 EK AE A0 ERT EE 41 43 1 INDOOR UNIT INSTALLATION 000000000000 43 1 1 Before MStallation a saka uq 43 Tetilla S 43 1 3 Dimension Data EE 43 1 4 Installation Glearance Dal uuu rrt toe ete ees ee etos Des tee Ste neuen ev ted eet 44 1 5 Drain Piping uy teet n teda Eau Pw ra EDEN Ra gege 44 2 OUTDOOR UNIT INSTALLATION WEE 44 2 1 44 22 DESEE ESTE um ER 45 2 3 DIMENSION Data 45 2 4 Installation Clearance Data n 46 3 REFRIGERATION PIPING WORK eee 47 3 1 Refrigeration Piping Work Procedures 47 3 2 Caution iri Connecting PINE EE 47 3 3 Specification of Connection Pipe 47 4 ELECTRIC WIRING WORK cette terere 48 41 Wiring Principle Pc 48 Segen WINING Desg EE 48 4 3 Specification of Power Supply Wire and Air Switch 49 MAINTENANCE U u 51 teg 51 2 PLOW CHART OF THOUBLESHOO T
49. an ON ee OFF Indoor fan OFF Auxiliary ON AEH woking condition electric heater 4 way valve ON L Time 60s Room temperature is set to be 16 30 and 24 C is default When Tambient lt Tset 1 C the unit will run in heating mode In this case compressor and outdoor fan run Indoor fan runs at setting speed and under the condition of anti cold air When Tambient Tset 1 C compressor and outdoor fan stop running the 4 way valve is still energized and indoor fan runs under the condition of blowing residual heat When Tset 1 C lt Tambient lt Tset 1 C the unit will keep its previous running state 2 10 Defrosting mode Sequence chart of unit start during defrosting operation Control object 1 I I I Compressor N I ON Outdoor fan m I OFF L MEP N 1 Indoor fan l u H 1 I Outdoor l oN OFF Auxiliary electric a ON OFF n 7 4 way valve 45min50s 605 Time Run for 45min Defrosting command Sequence chart of unit stop during defrosting operation CONTROL 18 w a ss s pu m Service Manual Control object Compressor ON ON Outdoor fan OFF ON Indoor fan OFF cold air ON Auxiliary electric OFF AEH working condition heater ON 4 way valve OFF Bee Defr
50. an runs at low speed When Tambient lt Tset 2 C the unit will stop running in cooling mode In this case compressor and outdoor fan stop running When Tset 2 lt Tambient lt Tset 2 C unit will be in the state that the compressor runs for 6min and stops for 4min in cycle Indoor fan runs at low speed 2 8 Fan mode Sequence chart during fan operation Control object Compressor ON 1 1 1 1 1 1 Outdoor fan OFF I MR UMS Indoor fan l ON I d Outdoor I ON x Auxiliary electric I heater OFF I Aaway valve 1 45 506 60s 1 Time T 1 Run for 45min n Defrosting command When fan mode is set the unit will run in fan mode Control object i f l I f Other parts ON OFF V set Indoor fan ON um ime 2 9 Heating mode Sequence chart of unit start during heating operation ject 4 Control object ON Compressor OFF ON Outdoor fan OFF Vset ON indoor tan OFF Anti cold air condition AEH working condition Auxiliary electric OFF heater AEH ON 4 way valve 5s S L Time gt 180s gt 180s 17 CONTROL EA ere ereecht Service Manual 8 Sequence chart of unit stop during heating operation Control object 4 Compressor OFF Outdoor f
51. asure if the discharge No temperature of compressor 130 Es Yes Measure if the resistance of No temperature sensor is correct Repair the leakage of system pipe Replace the conespondin and add refrigerant according to Replace the conesponding GE harge 9 ino requires volumo en tie mainboard senson of connecting line nameplate 2 4 Overcurrent Protection Abnormal overcurrent error v No SS If the compressor wiring is correct Adjust the compressor wiring Yes Y If the current value is higher than No the preset value of protector Replace the overcurent protector Yes Y N o If the high pressure of unit is normal Refer to high pressurer protection Yes 4 If the valtage is normal Contact the power supply company Yes v The communication resumes is normal MAINTENANCE 54 Service Manual Ee 2 5 Communication Malfunction Communication malfunction i Yes Check if co mmunica tion line of No Confirm locatio ns of plug indoor unit is properly connected and faucet Yes v i ication line i No CON A Measure if communication line is gt Replace communication line closed circuit Yes Y Check if
52. be Sub Assy 04635429 1 8 Compressor SH120A4ALB 00205213 1 MAINTENANCE 76 Duct Type Split Air Conditioner Service Manual 9 Gas liquid Separator 07425215 1 10 Inhalation Tube Sub Assy 04675426 1 11 Right Side Plate 01318759 1 12 Front Grill 01238740 1 13 Condenser Sub Assy 01125211 1 14 Rear Cover Plate 01258737 1 15 Back scaleboard 02225205P 1 16 Streamlined Dome 22265801 1 17 Axial Flow Fan 10355801 1 18 Motor Assy 15018761 1 19 Left Side Plate Sub Assy 01314301P 1 20 Supporter 01804632 1 21 Tube Clip 021400051 1 22 Filter Supporter 01729161 1 23 Supporter3 01804634 1 24 Supporting board Electric Box 01894602 1 25 Supporting Strip1 01894607 1 26 Supporting board3 01798797 2 27 support sub assy1 01894605 1 28 Supporting Strip Front Panel 01798808 3 29 Front Panel 01538736 1 30 Front Panel2 01538734 1 31 Electric Box Cover 01425319P 1 32 Main Board2 25501 30225055 1 33 Terminal Board Zpart 1 42011103 1 34 Main Board WZ4E35 3022405 1 35 Transformer 48X26G 43110233 2 36 Phase Reverse Protector 1380 46020052 1 37 Main Board1 ZS501 30225007 1 38 AC Contactor 44010214 1 39 Over Current Protector26 4A UO 10 26 46020113 1 40 Terminal Board 480 42011043 1 41 Original PCB Mounting Plate Sub Assy 01325297 1 42 Electric Box 01425320 1 43 Base Fra
53. cel delete to cancel timer of a certain time period in a certain day 5 SINGLLE GROU Button Short press single group to enter singe come setting SINGLE displayed long press single group to enter group control setting GROUP displayed hort ti ime nter timer setting 6 TIMER TIME Button Short press to enter time g uu f Long press timer time under default page can begin time setting 7 On off button Control unit run or stop 8 LCD display Display unit information 5 3 Display View 2 roup 2102030405060708 a x SINGLE 0910 11 1219 16 155 16 C d EHB dBEHB ow me JEBE aA 3o 303 3 m 10 WON TUE WED THU FRI SAT SUN TIME O am L J CONTROL 40 Duct Type Split Air Conditioner Service Manual NO Name Function description 1 unit s no displays Display unit s numbers 2 Group control displays when group controls it will display 3 Single control displays when single unit controls it will display 4 Timer time in week displays Display time in week 5 Timer displays Display time 6 timer state displays on when set unit on on Will display off when set unit off off will display 7 timer on time displays Display starts time 8
54. ction and then press Enter Cancel button to cancel TURBO function TURBO function setting is shown in Fig3 14 CONTROL 28 Duct Type Split Air Conditioner Service Manual Enter Cancel A Fan Mode e v w w gt v v wl bi oe V Turn on the unit without Press Function button Press Enter Cancel button turning on Turbo function into turbo function to turn on turbo function w S S Press Cancel button Press Function button to turn off turho function into turbo function Fig 3 14Turbo Function Setting Note a TURBO function will be turned off after power failure and then recovery In dry fan and auto mode TURBO function can not be set and TURBO mark won t be displayed b TURBO function will be automatically canceled after setting of quiet function 3 4 10 SAVE Function Setting Energy Saving Function Energy saving can make the air conditioner runs in a smaller temperature range by setting lower limited value of setting temperature in cooling or dry mode and upper limited value in heating mode Energy Saving Setting for Cooling Under on state and in cooling or dry mode of the unit press Function button into energy saving function with SAVE blinking Press A or Y button to adjust lower limited value of setting temperature in cooing mode After that press Enter Cancel button to turn on energy saving function
55. displayed b Timer on in unit on state is timed from the time of unit off and timer off in unit off state is timed from the time of unit on 3 4 7 Air Exchange Setting Turn on air Exchange function Under on state of the unit press Function button to go to the this function setting Air mark blinks AIR 1 displayed at the ambient temperature displayed location 888 is defaulted the last type of AIR will be displayed after adjustment Press A or Y button to adjust air type Press Enter Cancel button to turn on off air function After turning on this function the air mark shows There are 10 types of AIR but only 1 2 types are for remote control Refer to the following details 1 unit continuously runs for 60min and fresh air valve runs for 6 min 2 The unit continuously runs for 60min and fresh air valve runs for 12 min 3 unit continuously runs for 60min and fresh air valve runs for 18 min 4 unit continuously runs for 60min and fresh air valve runs for 24 min 5 The unit continuously runs for 60min and fresh air valve runs for 30 min 6 The unit continuously runs for 60min and fresh air valve runs for 36 min 7 The unit continuously runs for 60min and fresh air valve runs for 42 min 8 The unit continuously runs for 60min and fresh air valve runs for 48 min 9 unit continuously runs for 60min and fresh air valve runs for 54 min 10 The unit continuously
56. e eet m Service Manual 2 2 Installation Site 1 Outdoor unit should be installed in a steady and stable place 2 To reduce the length of the refrigerant pipe and bend number make sure the indoor unit and outdoor unit be close to each other 3 Ensure the operation noise do not disturb neighbors and passerby 4 Do not install the unit where it will be exposed to direct sunlight or other radiation heat source or the awning or a rainproof cloth should be utilized 5 The inlet and outlet port should not be blocked 6 Make sure the well air circulation 7 Selection a location that is far away from combustible or explosive material dust fog or moist Don t connect any air leading duct to the outdoor unit at neither the air inlet nor the air outlet The outdoor unit will drop condensate while running at heat mode If the temp is minus it will form ice Don t let the rain proof interfere the ventilation of outdoor unit 2 3 Dimension Data Model A B C Unit mm FG R 20 BNa M O 1150 460 1350 3 R 93 488 287 Model A B C Unit mm FG R 25 CNa M O 1150 422 1600 45 INSTALLATION Service Manual 840 JL JL It JL JL JL JL J J JL JL JL JL JL JL Jt I It 1772 JL IC IC JL JL JL JL JL JL
57. en the 4 way valve indoor fan and outdoor fan will stop in 10s and the compressor will compulsively run Defrosting end condition If the unit defrosts for 10min or T condensate 10 C defrosting will end 4 way valve will start running outdoor fan will run and compressor compulsively run Indoor fan will run under the anti cold air condition CONTROL 14 m Service Manual 2 5 Fan Mode Fan mode ON Manually OFF l Compressor WEF x EN Outdoor fan Run at set Htap speed es ea Indoor fan i OFF 4 way valve OFF u I 5s 2 2 l l Indoor fan will run at high speed for 5s and then at setting speed The followings are for FG R 25 CNa M FG R 40 BNa M 2 6 Cooling mode Sequence chart of unit stop during cooling operation Fan mode Control object 4 i l r Compressor OFF OFF High speed l I Outdoor I I Indoor fan l ON I I 1 t Time 180s 5s Sequence chart of unit start during cooling operation 15 CONTROL Service Manual Fan mode Control object A 1 1 Compressor x High speed 1 Outdoor fan 1
58. er The function can be set and go into effect at any time and features very simple operation Refer to the section of wired controller instructions for detailed operation Fresh Air Air Supply Pipe Outdoor 4 Fresh Air A Before startup the unit please remove all the sealing film on the healthy filter block Fig 3 22 3 6 4 Position and Method of Installing Wired Remote Controller One end of the control wire of the wired remote controller is connected to main board in the electric box of indoor unit it should be tightened by wire clamps while the other end should be connected to the wired controller The special control wire be used between the indoor unit and wired remote controller of which the length is 8 meters The material to be adopted for the control wire should be metallic substance The wired controller could not be disassembled and the control wire to be used for the wired controller should not be changed by users CONTROL 36 w m Service Manual optionally The installation and maintenance should be carried out by the installer Firstly select an installation position According to the size of the control wire for the wired remote controller leave a recess or a embedded wire hole to bury the communication line If the control wire between the wired remote controller and the indoor unit is surface mounted use 1 metallic pipe and make matching recess in the wall refer to Figure 3 2
59. f button on remote controller indoor fan will run at low fan speed for 10 min BLOW shows Meanwhile if BLOW function is canceled indoor fan will be turned off directly b There is not BLOW function in fan or heating mode 3 4 13 Quiet Function Setting Quiet function consists of two kinds QUIET and AUTO QUIET Press Function button till the unit enters quiet function setting state Quiet or Auto Quiet mark blinks In this case press A or Y button to switch between Quiet and Auto Quiet and then press Enter Cancel button to turn on this function In quiet mode press Function button till the unit enters quiet function In this case Quiet or Auto Quiet icon blinks and then press Enter Cancel button to cancel this function Quiet function setting is shown in Fig3 18 CONTROL 32 Duct Type Split Air Conditioner A Enter Cancel Mode e 2 ei LS w lt S 8 Y S W w Se Enter Cancel Fan y W e Turn the unit without Press Function button Press A or V taming gm LR into quiet function button switch to auto quiet function S 14 7 Y Ge Press Function button Press Enter Cancel button o turn o e quiet function into quiet function 7 type of quiet unction Fig 3 18 Quiet function setting Note a During quiet function fan speed is un adjustable b When turning on auto quiet funct
60. for cooling Energy Saving Setting for Heating Under on state and in heating mode of the unit press Function button into energy saving function with SAVE blinking Press Mode button into energy saving function for heating and then press A or Y button to adjust upper limited value of setting temperature in heating mode After that press Enter Cancel button to turn on energy saving function for heating After energy saving function is turned on press Function button into energy saving function and press Enter Cancel to cancel this function The energy saving setting is shown in the fig 3 15 29 CONTROL Duct Type Split Air Conditioner Service Manual Enter Cancel A Fan v w v CRE Turn on the unit without turning on save function Function KA m v D Press Function button Press or into cooling save function button to change the lower limit of cooling lt Fu e X J A Timer pe Press Enter Cancel button Press V Press Mode button switch to turn on air function button to change the upper to heating save function limit of heating Fig 3 15Energy Saving Setting Note a In Auto running mode with save function on the unit will be forcibly quit Auto running Mode and change to current operation mode After setting of save sleep function will be canceled b In save mode if Function button is pressed or there is not any operation within 5s after the last b
61. he refrigerant i i i i Yes Cheek ithe Cu capacity I volume specified on the nameplate and the of the system is too low refrigerant volume calculated on Page No Y Check if the operational modes of the indoor unit have been set correctly Yes Check if the gas and liquid valves of the outdoor unit are fully open Yes Check if the panel of the outdoor unit has been sealed Yes Check if the ventilation of the heat exchangers for the indoor and outdoor units works properly refer to mode conllict Fully open the valve 2 2p Cover the panel E Yes Y Check if the fans for the indoor and outdoor Yes Check the fan motor units are working and the signal input No Y Check if the swing blades of the indoor unit No Check the swing motor and are fully open the signal input 2 b Yes Check if the capacity output of the outdoor N unit meets with the required capacity of the indoor unit o refer to capacity code Yes Y Check if the filter and heat exchange fins of Yes refor lo miaintensnre the outdoor unit are dirty or clogged No Y C the system pipe is clogged D 53 MAINTENANCE Duct Type Split Air Conditioner m Service Manual 2 3 Discharge protection Discharge temperature protection Me
62. ilable 19 Blow Blow mark 20 Timer Timer displayed location 21 Quiet Quiet state two types quiet and auto quiet Notes The functions with are reserved for other models and are not applicable for the models listed in this manual 3 2 Buttons 3 2 1 Silk Screen of Buttons Fig 3 3Silk screen of buttons CONTROL 20 ege eet m Service Manual 3 2 2 Instruction to Function of Buttons Table 3 2 No Description Function of Button 1 Eniaeanesl 1 Function selection and canceling 2 Press it for 5s to enquiry the outdoor ambient temperature 2 A 1 Running temperature setting of indoor unit range 16 30 C 2 Timer setting range 0 5 24hr 6 Y 3 Switchover between quiet auto quiet 3 Fan Setting of high middle low auto fan speed 4 Mode Setting of cooling heating fan dry mode of indoor unit 5 Function Switchover among these functions of air sleep turbo save e heater blow quite 7 Timer Timer setting 8 On off Turn on off indoor unit Press Mode and Afor 5s under off state of the unit to enter cancel key memory function 4 Mode Memory function If memory is set indoor unit will resumer original setting state after power failure and and2 then power recovery If not indoor unit is defaulted to be off after power recovery Memory function is defaulted to be off before outgoing 2 Upon startup of the unit without malfunction or under off state of the unit press A Y key 46
63. ion the unit will enter quiet running state according to temperature difference between room temperature and setting temperature In this case fan speed is adjustable If temperature difference between room temperature and setting temperature 4 C fan will keep its current speed if 2 C lt temperature difference lt 3 C fan speed will be reduced by one grade but if it is at minimun grade it is un adjustable if temperature difference lt lt 1 C fan speed will be at minimun grade c In auto quiet mode fan speed can not be raised but reduced If high fan speed is manually adjusted auto quiet mode will quit d There is not auto quiet function in fan or dry mode Quiet off is default after power failure and then power recovery e If quite function is set turbo function will be canceled 3 4 14 Field Functions Under off state of the unit press Function and Timer buttons continuously for 5s to go to the debugging menu Press Mode button to adjust the setting items and A or V button to set the actual value 3 4 14 1 Ambient Temperature Sensor Setting In field setting mode press Mode button to adjust the temperature displayed location displaying 00 and press A or V button to adjust setting state at timer displayed location There are 3 types for selection Indoor ambient temperature is that at return air inlet 01 is displayed at timer displayed location Indoor ambient temperature is that at the place of screen 02 is displayed a
64. ion at air return opening F1 Evaporator sensor malfunction F2 Condenser sensor malfunction Outdoor unit ambient temperature sensor mal F4 Discharge temperature sensor malfunction F5 Ambient sensor malfunction on Displayer or LED board 3 6 Setting of Indoor Room Sensor and Checking of Outdoor Ambient Temperature 3 6 1 Setting of Double Indoor Room Sensors This series of ducted air conditioning unit has two indoor room sensors One is located at the air intake of the indoor unit and the other one is located inside the wired controller User can select one from the two indoor room sensors on the basis of the engineering requirement Refer to the section of wire controller instructions for detailed operation 35 CONIROL Duct Type Split Air Conditioner Service Manual Indoor Room Sensor A Indoor Room Sensor B Fig3 20 3 6 2 Checking of Outdoor Ambient Temperature The outdoor ambient temperature can be checked on the wire controller for the convenience of users without going out Refer to the section of wire controller instructions for detailed operation VI NI P y Outdoor Side Outdoor Room Sensor 3 6 3 Fresh Air Control 11 level control can be realized for the amount of fresh air taken in The function not only facilitates the health of users but also controls the electricity consumption loss due to taking fresh air in This kind of control can be carried out through the wired controll
65. ire and the mixture can be avoided MAINTENANCE 62 m Duct Type Split Air Conditioner BH Service Manual 7 Recover the electric heating tape of compressor and discharge temperature sensor etc Enwind the bottom of compressor with electric heating tape and fix it 8 Check if the compressor rotates in reverse and if lubricant have leaked Check if the wiring is correct with reference to circuit diagram and check if there is any leakage after welding Disassembly and Assembly of 4 way valve Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of 4 way valve Step Illustration Handling Instruction Remove electric coils of 4 way valve J Place electric coils far away from the 4 way valve to prevent the connecting line of 4 way valve from burning when succeeding welding Disconnect the pipe site D in FH illustration of 4 way valve and u Don t leave welding slag inside pipes ischarge pipe ESC Disconnect the pipe site E in a illustration of 4 way valve and n Don t leave welding slag inside pipes connecting pipe B S E Disconnect the pipe site C in illustration of 4
66. l 3 FUNCTION 3 1 Features outdoor units Features Description Quality condenser coil The coil is constructed of golden aluminum sheet and inner groove copper pipe Coil protected Coils are protected from damage by a metal grill High low pressure protection discharge high temperature protection overload protection reverse Protected compressor open phase protection sensor malfunction alarm Cabinet is made of pre painted steel The pre treated flat galvanized steel provides a better paint to Resisting corrosion steel bond which resists corrosion and rust creep Special primer formulas ensure minimal fading when exposed to sunlight Low operating sound level Low noise fan and low noise compressor with isolator Low maintenance Quality compressor and motor are used All units are factory tested prior to di h to verif m ration an ntrol functioni f Factory tested y p dispatch to verify system operation and control functioning before shipment 3 2 Features indoor units features Description Flexible installation Condensing water tube and refrigerant tube are in same direction it s better for installation It adopts high static pressure design so air is centralized handling in the indoor unit and implant long Long distance duct air supply distance duct air supply The capacity range The capacity range is 20kW to 40kW Convenient operation Simple controller and intelligent
67. ll before installation It is prohibited to perform the whole procedure with electricity 21 CONTROL ug 7 Service Manual E 2 Pull out 4 core twisted pair line in mounting hole and then make it through the rectangle hole at the back of controller s soleplate 3 Joint the controller s soleplate on wall face and then fix it in mounting hole with screws M4X25 4 Insert the 4 core twisted pair line through rectangle hole into controller s slot and buckle the front panel and soleplate of controller together At last fix the controller s front panel and soleplate with screws ST2 2X6 5 A Caution During connection of wirings pay special attention to the following items to avoid interference of electromagnetism to unit and even failure of it a To ensure normal communication of the unit signal line and wiring communication of wired controller should be separate from power cord and indoor outdoor connection lines The distance between them should be kept 20cm in min b If the unit is installed at the place where there is interference of electromagnetism signal line and wiring communication of wired controller must be shielded by twisted pair lines 3 3 2 Project Debugging Enquiry of wired controller s address Press Function and Mode buttons at the same time for 5s under off state of the unit and then LCD displays wired controller s address number Setting of wired controller s address Press Function and Mode buttons a
68. long the arrowhead direction to push the back cover of remote controller As show in Fig 4 1 Fig4 1 Fig4 2 2 Take out the old batteries insert two AAA alkaline cells show Fig 4 2 3 Attach the back cover of remote control NOTE a When changing the batteries do not use the old or different batteries otherwise it can cause the malfunction of the wireless remote control b If the wireless remote control will not be used for a long time please take them out and do not let the leakage liquid damage the wireless remote control c The operation should be in its receiving rang d It should be placed where is 1m away from the TV set or stereo sound sets e If the remote control cannot operate normally please take the batteries out and then reinsert it 30s later if itis also abnormal please replace the batteries f If the main unit needs to be remote controlled please aim remote controller at the receiver of main unit in order to improve the receiving sensitivity of the main unit g When the remote controller sends out single a make will flicker for about 1s The bell will ring if the main unit receives effect signal 5 Centralized Controller week timer 5 1 Function Centralized Control and Week Timer Functions The centralized controller and the weekly timer are integrated in the same wire controller The system has both the centralized control and the week timing functions Up to 16 sets of
69. me Sub Assy 01284609 1 44 Temp Sensor 15K 390002063 1 45 Temp Sensor 20K 390001923 1 46 Temp Sensor 50K 3900012129 1 77 MAINTENANCE Duct Type Split Air Conditioner m Service Manual m 4 Model FGR40 BNa M O Exploded View lt lt 14 15 1617 eelet 20 Parts List No Names Product Code Qty 1 Streamlined Dome 22265801 1 2 Top Cover Plate 01264110P 1 3 Rear Panel 01544104P 1 4 Rear Lining Board Sub Assy 01264113P 1 5 Rear Strengthen Girder 01854102P 1 6 Rear isolation sheet 22414101 1 7 Fan Blade 10355801 1 8 Motor SW650A 15704601 1 9 Motor Assy 15404601 1 10 Condenser Assy 01125385 1 11 Right Side Plate 01315344P 1 12 Eletric box cover 1 01424108P 1 13 Electric Box Assy 01395818 1 14 AC Contactor 44010240 1 MAINTENANCE 78 Duct Type Split Air Conditioner Service Manual 15 Terminal Board 42011103 1 16 Phase Reverse Protector 46020052 1 17 Main Board 30224309 1 18 Transformer 4311024001 1 19 Over current protector 46020121 1 20 Terminal Board 42011113 1 21 Terminal Board 42011051 1 22 Original PCB Mounting Plate Sub Assy 01325334 1 23 Base Frame Sub Assy 01285278 1 24 Handle 26235253 2 25 Front Panel 01544101P 1 26 0
70. ncel A Fan Mode e o e w v ed X w b v d ke Si v Timer 5 0 Funetion vi Timer Sad el m Turn on the unit without Press Function button into Press Enter Cancel button turning on swing function swing function turn on swing function 2 Press Enter Cancel button Press Function button into turn off swing function swing function Fig 3 10 3 4 6 Timer Setting Press Timer button to set timer off of the unit Under off state of the unit press Timer button to set timer on of the unit in the same way Timer on setting Under off state of the unit without timer setting if Timer button is pressed LCD will display xx Hour with ON blinking In this case press A or Y button to adjust timer on and then press Timer to confirm If Mode button is pressed before pressing Timer button to confirm timer mode will be switched to timer off setting mode In this case LCD displays xx Hour with OFF blinking In this case press A or Y button to adjust timer off and then press Timer to confirm When LCD displays xx Hour On Off xx Hour means time of timer on but time of timer off won t be displayed Timer off setting Under on state of the unit without timer setting if Timer button is pressed LCD will display xx Hour with OFF blinking In this case press A or Y button to adjust timer on and then press Timer to confirm If Mode button is pressed before pressing Timer button to confirm timer m
71. ode will be switched to timer on setting mode In this case LCD displays xx Hour with ON blinking In this case press A or Y button to adjust timer on and then press Timer button to confirm When LCD displays xx Hour On Off xx Hour means time of timer off but time of timer on won t be displayed Cancel timer After setting of timer if Timer button is pressed LCD won t display xx Hour so that timer setting is canceled Timer off setting under on state of the unit is shown as Fig 3 11 25 CONTROL Duct Type Split Air Conditioner Service Manual CW e A e wl oM x SR Turn on the unit without Press A or Y setting timer Press Timer to set button to adjust time e w Fan Mode Fan We YY x v Nu M x e be Sw Function J e Jj w 7 En Press A or VW Press Mode switch to Press Timer to confirm button to adjust time time on setting timer setting Fig 3 11Timer setting under on state of the unit Timer range 0 5 24hr Every press of A or Y button will make setting time increased or decreased by O 5hr If press either of them continuously setting time will automatically increase decrease by 0 5hr every 0 5s Note a If both timer on and timer off are set in unit on interface the wired controller only display time of time off If both of them are set in unit off state only time of timer on is
72. off this function Sleep setting is shown as Fig3 13 27 CONTROL Duct Type Split Air Conditioner Service Manual Enter Cancel A Fan Mode e S d LI A 77 77 Turn the unit without Press Function button Press Enter Cancel button turning on sleep function into sleep function to turn on sleep function v od e 2 U amp Press Enter Cancel button Press Function button to turn off sleep function into sleep function Fig 3 13 Sleep setting Sleep setting is clear after power failure and then power recovery There is not sleep function in fan and auto mode Note In cooling and dry mode if the unit with sleep function has run for 1 hour the preset temperature will be increased by 1 C and 1 C in another 1 hour After that the unit will run at this temperature In heating mode if the unit with sleep function has run for 1 hour the preset temperature will be decreased by 1 C and 1 C in another 1 hour After that the unit will run at this temperature 3 4 9 Turbo Function Setting TURBO function The unit at high fun speed can realize quick cooling or heating so that room temperature can quickly approach setting temperature In cooling or heating mode press Function button till the unit enters TURBO function and then press Enter Cancel button to turn on TURBO function During TURBO function press Function button till the unit enters TURBO fun
73. on control displays When set unit or group it will display 9 off control displays When set unit or group off it will display 10 present time in week display Display present time of week 11 present time in Hr Min displays Display time of hour and minute now 12 timer off time displays Display over time 13 timer period displays Set to different time segment Note Please read corresponding manual of weekly timer controller to be familiar with it 5 4 Dimensions GROUP 2102030405060708 27 SINGLE 0910 2956 Z TMG 1234567 EH yO 85 28 88 28 88 ON me OFF Piste C 2A V gt 41 CONTROL Service Manual INSTALLATION INSTALLATION 42 m Service Manual INSTALLATION 1 INDOOR UNIT INSTALLATION 1 1 Before Installation The preparation of all pipes connecting pipes and drainage pipes and cables connecting lines of wired controller indoor unit and outdoor unit must be ready before the installation so as to achieve smooth installation Drill an opening on the ceiling Maybe it is required to support the ceiling to ensure the evenness of it and avoid the vibration of it Consult with the user or a construction company for details In case the strength of ceiling is not enough use angle iron sections to set up a beam support Place the unit at the beam and fix it
74. osting end Time If the unit heats for 45min accumulatively the compressor continuously runs for 4min and 50s and T condensate x 5 C for 1s defrosting will start If the unit defrosts for 10min or T condensate 10 C defrosting will end 3 WIRED REMOTE CONTROLLER 3 1 Displaying Part Enter Cancel A Fan Mode wv w M wi ew 7 Fig 3 1 Outline of wired controller 3 1 1 LCD Display of Wired Controller Fig 3 2 LCD display 19 CONTROL 2 Service Manual m 3 1 2 Instruction to LCD Display Table 3 1 No Description Instruction to Displaying Contents 1 Swing Swing function 2 Air Air exchange function 3 Sleep Sleeping states 4 Running mode Each kind of running mode of indoor unit auto mode 5 Cooling Cooling mode 6 Dry Dry mode 7 Fan Fan mode 8 Heating Heating mode 9 Defrost Defrosting state 10 Gate control card Gate control 11 Lock Lock state 12 Shield Shielding state buttons temperature on off mode or save is shielded by long distance monitoring 13 Turbo Turbo function state 14 Memory Memory state Indoor unit resumes original setting state after power failure and then power recovery 15 Twinkle Flicking when unit is on without operation of buttons 16 Save Energy saving state 17 Temperature Ambient setting temperature value 18 E Heater E HEATER display means electric heater is ava
75. pe Discharge Gas Pressure Temp Sensor Temp Sensor Temp Sensor DISPOSE DIRGRAM 61 MAINTENANCE Duct Type Split Air Conditioner Service Manual u O m 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Introduction to Main Parts Disassembly and Assembly of Compressor Remark Make sure that there isn t any refrigerant in pipe system and the power supply is cut off before removal of the compressor 2 Cut off the connection between compressor and pipes Step Illustration Handling Instruction m Me GE Unscrew the retaining screw of power cord with COrresboridin screwdriver J l tothe See Unplug the power cord 1 Disconnect the power cord v 1 Note Earmark the colour of wire corresponding to the terminal when Removing the wire and the mixture can be avoided when recovering the wire connection Don t leave the welding slag inside pipes 3 Remove the compressor from the chassis D Unscrew retaining nuts of the footing of compressor Remove the compressor from the chassis Hold it tightly to avoid accident 4 Fix the new compressor on chassis D Place the new compressor on chassis Fix retaining nuts of comprssor footing 5 Connect the compressor with System pipes 6 Connect the power cord of compressor La Don t block it by welding Note Earmark the colour of wire corresponding to the terminal when connecting the w
76. remote controller make unit more convenient operation It can connect many supply air outlet to the duct so that it can make the temperature and humidity of Good indoor air quality the whole room equality meanwhile it can lead in fresh air makes well indoor unit air quality All units are provided with filters that are easily accessible from the rear of the unit The controls provide for compressor delay protection Remote control function temperature setting Microcomputer control P fan function sleep function memory function self diagnosis with alarm function Quality evaporator Evaporator coils are constructed of inner groove copper tube and hydrophilic aluminum sheet Low operating sound The fan motors are resilient mounted to minimize vibration and noise PRODUCT 4 4 PRODUCT DATA 4 1 Product Data at Rated Condition Duct Type Split Air Conditioner Service Manual Indoor FGR BNa M I FGR CNa M l FG BNa M I FG CNa M l Unit 20 25 20 25 Models Outdoor FGR CNa M O FGR BNa M O FGR CNa M O Unit 20 25 20 25 Btu h 68000 83598 68000 83598 Cooling Nominal Capacity kW 20 24 5 20 24 5 At Rated ESP Btu h 75000 93834 Heating kW 22 27 5 Power Supply V Ph Hz 380 415 3 50 380 415 3 50 Cooling 8 4 9 8 8 4 9 8 Power Consumption kW Heating 7 9
77. set correctly 2 refer mode conllict Yes Y Inspect if the gas and liquid valves are open completely open the valve Ww Yes Y Check if the outdoor unit if the panel has been sealed properly install the panel Yes Y Check if the ventilation for the indoor and outdoor units is smooth z remove obstacles Yes v Check if the fans for the indoor and outdoor units are working measure the fan motor and the signal input dE Yes Y Check if the swing blades are completely open No Check the swing motor and the signal input Yes Y Check if the capacity output of the outdoor unit is the same as that of the indoor unit 2 refer to capacity code WP wo YJ wo Yes Y Check if the filters or heat exchange fins for the indoor and outdoor units are contaminated or jammed refer to maintenance I Yes the system pipes are jammed MAINTENANCE 52 valve and the dryer filter outdoor unit replace the pressure Switch Particularly check the inlets and outlets of the main pipes that are connected with the indoor unit and the electronic expansion valve of the outdoor unit Replace the expansion ege m Service Manual 2 2 Low Pressure Protection Compressor Low Pressure Protection Ge Add refrigerant by referring to t
78. spender Air return 1 5 Drain Piping Work d M Jl For easy drainage of the condensation water It should be installed with a downward gradient To avoid ployed as shown above and the height of the water seal could be determined by the pressure of the drain hose Drain hose is in negative pressure state A B P 10 20 mm Drain hose is in positive pressure state A gt 30mm B P 10 20 mm 2 OUTDOOR UNIT INSTALLATION 2 1 Before Installation 1 After receipt of the unit please check the unit for damage during transport If there is external or internal damage please notify the company by written form 2 After receipt of the unit check and inspect the unit and accessories according to package list for models damage of unit body and specification and quantity of accessories 3 Confirm conveying route and method of the unit to avoid damage to the unit and possible injuries For protection and safety of the unit it is recommended to convey the unit together with the packing container even in special conditions 4 Check the installation foundation for firmness If the unit is installed on the metal place ensure electric insulation and conformability to relative criteria 5 Ensure installation site away from the storage area with inflammable and explosive materials to avoid explosion or fire INSTALLATION 44 eg
79. t 45 C it is believed that there is error of temp sensor F2 Tube sensor error for outdoor condensator Tube sensor for outdoor condensator If detect that AD value exceeds 250 short circuit with corresponding temp 160 C or less than 5 open circuit with corresponding temp about 45 C it is believed that there is error of temp sensor Outdoor ambient temp sensor error Outdoor ambient temp sensor If detect that AD value exceeds 250 short circuit with corresponding temp 160 C or less than 5 open circuit with corresponding temp about 45 C it is believed that there is error of temp sensor F4 Discharge temp sensor error Discharge temp sensor If detect that AD value exceeds 250 short circuit with corresponding temp 160 C or less than 5 open circuit with corresponding temp 45 C it is believed that there is error of temp sensor 51 MAINTENANCE Duct Type Split Air Conditioner Service Manual Duct Type Split Air Conditioner Service Manual 2 FLOW CHART OF TROUBLESHOOTING 2 1 High Pressure Protection Compressor High Pressure Protection Y Use pressure gauge to measure the pressure if it real high pressure No if it is iproper condition Measure if the pressure switch Yes Y No Yes replace main board of gt Inspect if the operational modes of the indoor unit are
80. t the same time for 5s In this case LCD displays address number Then press A or V button to adjust address address no 1 16 After that press Enter Cancel button to confirm Addresses of the wired controller are used for centralized control of wired controller Enquiry and setting of wired controller s address is shown as Fig 3 5 below Enter Cancel A Fan Mode wo w w A 2 v x S ou v el s v Press A V Off state of unit Equipment address no button to adjust A Fan Mode gt e w v i ww v v J A Function w lt d Return to off state Press Enter Cancel button to confirm Fig 3 5 Enquiry and Setting of Wired Controller s Address 3 4 Instruction to Operation 3 4 1 On Off Press On Off button to turn on the unit Repress this button to turn off the unit CONTROL 22 m Service Manual Note The state shown in Fig 3 6 indicates off state of the unit after energization The state shown in Fig 3 7 indicates on state of the unit after energization a Y Enter Cancel A Fan Mode Enter Cancel A Fan v v w w o v xd v d v s k I Fig 3 6 Off state of the unit Fig 3 7On state of the unit 3 4 2 Mode Setting Under on state of the unit press Mode button to switch the operation modes as the following sequence
81. t timer displayed location Return air inlet temperature sensor shall be selected for cooling dry and fan modes and wired controller temperature sensor 03 is displayed at timer displayed location shall be selected for heating and auto modes 3 4 14 2 Three Grades of Speed for Indoor Fan In field setting mode press Mode button to adjust the temperature displayed location displaying 01 and press A or V button to adjust setting state at timer displayed location There are 2 types for selection 3 low grades LCD displays 01 3 high grades LCD displays 02 Service Manual 33 CONTROL EA ere K X l IS oJ lt It Service Manual m Three low grades indicate high medium and low grades and 3 high grades indicate super high high and medium grades Press Enter Cancel button to save the setting and quit after setting If there is not any operation within 20s after the system responds to the last button operation in this interface the system will quit this menu and display normal off state meanwhile current setting won t be saved 3 4 15 Other Functions 3 4 15 1 Lock Function Upon startup of the unit without malfunction or under off state of the unit press and Ybuttons at the same time for 5s till the wired controller enters lock state In this case LCD displays Bm After that repress these two buttons at the same time for 5s to quit lock state Under lock state any other buttons won t give any response to the press 3 4 15 2
82. tate press Mode button to adjust temperature displayed location displaying 00 04 and press or Y button to make timer displayed location display error code If 2E1 is displayed in timer displayed location it means high pressure protection of the system 2 3 4 15 5 Selection of Centigrade and Fahrenheit Under off state of the unit press Mode and Y at the same time for 5s the displayer panel will switch between Centigrade and Fahrenheit 3 5 Error Display If there is malfunction during running of the system LCD will display error code at temperature displayed location Once there is more than one malfunction error codes will be displayed circularly If there are multiple circuit systems the system number of failed system will be displayed before the colon not for single system If malfunction occurs turn off the unit and contact nearest dealer for help As shown in Fig 3 19 it means high pressure protection of system 2 under unit on CONTROL 34 Duct Type Split Air Conditioner Service Manual Enter Cancel A Fan Mode e v Fig 3 19 Error code meaning Error code Malfunction E High pressure protection of compressor E2 Indoor anti freezing protection E3 Low pressure protection of compressor E4 High discharge temperature protection of compressor E5 Compressor overload protection E6 Communication malfunction 9 Water overflow protection Indoor unit ambient sensor malfunct
83. tdoor and indoor unit please refer to inferior Fig while the power cord standard and air switch type please refer to recommending table 4 2 Electric Wiring Design INSTALLATION 48 Wiring schematic for outside the unit Power 380V 3N 50Hz L1 L2 L3 N 054 ae Note Please setup the code switch on the outdoor unit according FU to single system or multi system Please refer to the Outdoor unit address setup chapter for detail information 051 052 ruil Display board r L1 L2 L3 N pa 50 Main Board PE CN10 I i M Outdoor unit Four core twisted line Indoor Uni SE FG R 20 BNa M Power 380 415V 3N 50Hz PE L1 1213 N Wiring schematic for outside the unit Duct Type Split Air Conditioner Service Manual Wiring schematic for outside the unit wawa d al ru M Four core twisted line L3 N PE a CN10 e COM MANUAL Indoor Unit Main Board y 2 COM OUT 1 Two core twisted line
84. ters of Blow won t appear 10 Light button There is no this function for this unit If press this key the main unit will click but it also runs under original status 11 Temp button There is no this function for this unit If press this key the main unit will click but it also runs under original status 12 HEALTH SAVE button There is no this function for this unit If press this key the main unit will click but it also runs under original status About AUTO RUN When AUTO RUN mode is selected the setting temperature will not be displayed on the LCD The unit will be accordance with the room temp automatically to select the suitable running mode and to make ambient comfortable About turbo function If start this function the unit will run at super high speed to cool or heat quickly so that the ambient temp CONTROL 38 m Service Manual approachs the preset temp as soon as possible About LOCK Press and simultaneously to lock or unlock the keyboard If the remote control is locked the icon will be displayed on the LCD in which case press any button the mark will flicker for three times If the keyboard is unlocked the mark will disappear About switch between Fahrenheit and Centigrade Under status of unit off press MODE and buttons simultaneously to switch C and F Changing batteries and notices 1 Slightly to press the place with X a
85. utton operation the system will be quit from save function setting and current data won t be memorized c After power failure and then recovery save function setting will be memorized d The lower limited value in cooling mode is 16 and the upper limited value in heating mode is 30 e After save setting if the setting temperature is out of the range in the mode the limited value will prevail 3 4 11 E HEATER Setting E HEATER In the heating mode E heater is allowed to be turned on for improvement of efficiency If heating mode is turned on by button operation auxiliary electric heating function will be automatically turned on Press Function button in heating mode to go to the auxiliary electric heating function the E HEATER blinking and press Enter Cancel button to turn on this function In this case the E HEATER will be displayed which means E heater is allowed to be turned on If auxiliary electric heating function is on press Function button to confirm or press Enter Cancel button to cancel In this case E HEATER won t be displayed which means E heater is prohibited to be turned on The setting of this function is shown as Fig3 16 below CONTROL 30 Enter Cancel A Fan Mode vw w e Auxiliary electric heating function will be automatically turn on under heating mode Duct Type Split Air Conditioner Service Manual 707979 55 Enter Cancel buttor to turn off
86. zation if outdoor unit continuously shows that there is not any feedback from indoor unit s mainboard communication malfunction occurs In this case compressor will be stop and E6 will be displayed After that outdoor fan stops If heating the 4 way valve will stop after the compressor stops for adequate time If the indoor unit hasn t received information from outdoor unit for a period of time communication malfunction occurs In this case indoor unit stop during heating E heater stopped firstly and the indoor fan blows residual heat If the display board hasn t received information from indoor unit for a period of time communication malfunction occurs In this case malfunction code is displayed and the unit won t act 9 Indoor fan protection Fan s motor switch or thermal relay After startup of indoor fan if overloading information of fan breaks for a period of time all loads will stops and E9 will be displayed FO Indoor ambient temp sensor error Indoor ambient temp sensor If detect that AD value exceeds 250 short circuit with corresponding temp 160 C or less than 5 open circuit with corresponding temp about 45 C it is believed that there is error of temp sensor F1 Temp sensor error of indoor evaporator Temp sensor of indoor evaporator If detect that AD value exceeds 250 short circuit with corresponding temp 160 C or less than 5 open circuit with corresponding temp abou

DUCT TYPE SPLIT AIR CONDITIONER SERVICE MANUAL

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